2,429 results
2,429 results for: mutations
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Telltale Heart
Genetics is revealing the first steps in building a heart—the organ that is first to develop, subject to the most birth defects, and difficult to heal when damaged later in life.
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RNA world gets support as prelife scenario
Scientists tinkering with a chemical now vital to life think they've recreated one of the central molecules that gave rise to the chemistry of life.
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Huntington’s protein may be kidnapper
An abnormal protein associated with Huntington's disease kills cells by stealing another protein needed for cell survival.
- Health & Medicine
Gene stifled in some lung, breast cancers
The silencing of a gene called RASSF1A appears to increase the risk of cancer, studies of lung and breast tumors show.
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- Health & Medicine
The Science of Secretin
The discovery that a gut hormone also exists in the brain may shed light on the origins of autism.
- Health & Medicine
Fatty Findings
A recently discovered protein may explain at least part of the molecular mechanisms behind links among obesity, diabetes, heart disease, and even some cancers.
- Health & Medicine
Ancient Estrogen
A jawless fish ancestor may have revealed the most ancient of hormones and how current hormones evolved from it.
- Health & Medicine
Vaccine Verity
Widely publicized concerns about vaccination leading to autism, multiple sclerosis, and diabetes have not been borne out by research.
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Sticky Situations
Bacteria find strength in numbers as members of huge, mucous-covered communities called biofilms that can stall, equip, and initiate fierce infections.
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Science News of the Year 2001
A review of important scientific achievements reported in Science News during the year 2001.
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